Coherent and Incoherent Contributions to the Damping of Cyclotron Magnetoplasma Resonance for Two-Dimensional Electrons

被引：5

作者：

Andreev, I. V. ^{[1
]}

Muravev, V. M. ^{[1
]}

Belyanin, V. N. ^{[1
]}

Gubarev, S. I. ^{[1
]}

Kukushkin, I. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia

来源：

JETP LETTERS | 2015年 / 102卷 / 12期

基金：

俄罗斯科学基金会;

关键词：

GAS;

D O I：

10.1134/S0021364015240029

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The spectrum of resonant microwave absorption for a two-dimensional electron disk is studied by the optical detection technique. The dependence of the width of cyclotron magnetoplasma resonance on the electron density and on the size of the two-dimensional electron system is analyzed. The contributions of the coherent radiative and incoherent collision mechanisms to the relaxation of magnetoplasma excitations are measured. It is demonstrated that the ratio of the length of the electromagnetic wave and the lateral size of the twodimensional electron system is an important parameter determining the width of the resonance.

引用

页码：821 / 825

页数：5

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